CN2511565Y

CN2511565Y - Automatic wheel-pair inspector

Info

Publication number: CN2511565Y
Application number: CN 01227490
Authority: CN
Inventors: 朱世鹏; 唐文瑞; 张春才
Original assignee: NEW LIANTIC SCIENCE AND TRADE CO Ltd BEIJING
Current assignee: NEW LIANTIC SCIENCE AND TRADE CO Ltd BEIJING
Priority date: 2001-06-21
Filing date: 2001-06-21
Publication date: 2002-09-18
Anticipated expiration: 2011-06-21

Abstract

The utility model relates to an automatic wheel-pair detecting device suitable for detecting dimension wear and abrasive wear of a wheel-pair tread in manufacturing and repair of wheel-pairs of railway vehicles. The structure of the utility model is that: a wheel-pair rotary mechanism is formed by a cycloidal-pin gear speed reducer, a chain sprocket and a drive chain which are connected with the cycloidal-pin gear speed reducer, and supporting rollers which are connected with both ends of a rotation axis; the wheel-pair rotary mechanism is arranged on the maximum wheel-pair diameter on the upper part and the lower part of a wheel-pair and positively corresponds to four linear array CCDs on a measuring machine frame and corresponding light sources; a wheel-pair testing device is formed by a step motor and a precision lead screw which are fixed on a measuring machine frame and drives the CCDs and the light sources to move; a wheel-pair supporting mechanism is formed by an oil cylinder driven by a fluid pressure station, a pin shaft and a locating slider and a locating beam which are connected with each other on a piston rod end, and a V-shaped locating block fixed on the locating slider; an extrusion locating mechanism is formed by an extrusion cylinder and a locating cylinder; all the mechanisms are connected with the machine frame; all the detected data is communicated with a computer interface. The utility model has the advantages of novel structure, advanced performance, high efficiency, small labor amount and small error, and is a non-contact measurer.

Description

Wheel is to automatic checkout equipment

Affiliated technical field:

The utility model relates to railway vehicle wheel to automatic checkout equipment, and this device is applicable to railway, subway, locomotive, the automatic checkout equipment of vehicle wheel to making and overhauling.

Background technology:

At present in the service work of rolling stock, wheel wears away the caused by relative motion with rail, scratch and tread physical dimension change, need periodic inspection and reparation, and use prior art at present is to adopt the manual measurement wheel that action is changed, with special-purpose slide calliper rule measuring pulley footpath and abrasion, this measurement is an approximate value, the actual conditions that can not truly reflect the wheel footpath, use multiple measurer in very short time, to measure data more than eight kinds with artificial on the other hand, and must fill in each and take turns prescriber forms, therefore not only labour intensity is big, efficient is low, adds the error that human element produces, and is the hard nut to crack of car inspection and maintenance department for many years therefore always, adding train constantly raises speed, above-mentioned contradiction is more outstanding, and at above-mentioned problems of the prior art, advanced person's the automatic detection wheel of now designing a kind of novelty is to physical dimension and measurement of wear device, carrying out automatic management, is very necessary thereby overcome present existing problems.

Summary of the invention:

The purpose of this utility model is the problem at above-mentioned prior art existence, break existing traditional measurement method and design a kind of the wheel automatic checkout equipment, it utilizes the photoelectronic imaging technology, use CCD linear array imaging technology, give full play to the performance of computing machine, automatic guidance, automatically calculate, store automatically and print related data, be convenient to technical supervision.

The purpose of this utility model is to realize like this, wheel, holds up detent mechanism and rotating mechanism and release and detent mechanism and is connected by the line array CCD measuring mechanism automatic checkout equipment, said mechanism all is connected with frame, and its CCD take off data all communicates with computer interface.Wherein said one group of line array CCD is 4, and wheel is to 2 of each corresponding layings of two wheels; 2 line array CCDs are fixed in wheel directly to be located the bull wheel in top, and fixation of C CD light source below CCD is corresponding, CCD and light source drive by stepping motor and accurate screw mandrel, and stepping motor and accurate screw mandrel all are fixed in to be measured on the frame.Or described one group of line array CCD is 4, and each correspondingly lays two to wheel to two wheels; 2 line array CCDs are fixed in wheel directly to be located the bull wheel in below, and at the corresponding upper fixed CCD light source of CCD, CCD and light source drive by stepping motor and accurate screw mandrel, and stepping motor and accurate screw mandrel all are fixed in to be measured on the frame.

The support roller that links to each other of coupled chain wheel drive chain of translator cycloidal-pin wheel retarder and transmission shaft two ends is wherein formed wheel to rotating mechanism and be fixed on the frame.

Wherein hold up pivot pin, positioning sliding block and location crossbearer that mechanism is connected by oil cylinder and oil cylinder piston rod end and the V-arrangement locating piece that is fixed on the positioning sliding block and form, and be fixed on the support.

Wherein release and detent mechanism is released cylinder on the frame and positioning cylinder is formed by being fixed in.

The utility model novel structure, advanced in performance, the efficient height, labor content is little, and error is little, is the non-contact measurement device.

Description of drawings:

Below in conjunction with drawings and Examples the utility model structure is further detailed:

Fig. 1 is that the line array CCD structural representation is measured in the utility model elevation profile.

Fig. 2 is that the utility model A is to the view first exemplary construction scheme drawing.

Fig. 3 is that the utility model A is to the view second exemplary construction scheme drawing.

Mark among the figure:

1. measure frame, 2. the line array CCD camera, 3. release cylinder, 4. sprocket wheel,

Transmission shaft, 6. positioning cylinder, 7.CCD camera light source, 8. locating piece,

Stepping motor, 10. precision drive leading screw, 11. take turns to, 12. pivot pins,

13. hold up hydraulic ram, 14. support rollers, 15. cycloidal-pin wheel retarders,

16. support, 17. axis of guides, 18. positioning sliding blocks, 19. location crossbeams,

20. frame, 21. connecting rods, 22. connecting rods.

The specific embodiment

Shown in Fig. 1,2 or 3, wheel is to entering proving installation, by positioning cylinder 6, hinged securement is on frame 20, the other end links to each other with connecting rod 21, and drives block and will take turns and be positioned in the support roller 14 11, this moment two ends, the left and right sides hold up mechanism hydraulic ram 13, promote positioning sliding block 18 and will take turns locating wherein along the axis of guide 17 stationary positioned piece 8 that slides on slide block 18, make wheel to 11 location when crossbeam 19 contacts when moving to locating, measure to certain altitude.

Show as Fig. 2, four line array CCDs 2 are fixed on wheel the corresponding light source 7 in 11 tops are fixed on wheel to the below, and the accurate screw mandrel 10 that is connected with stepping motor 9 drives, drive line array CCD camera 2 and light source 7 motions simultaneously, and measure relative dimensions with 100 measuring speeds of per second, reach and carry out computing in the computing machine.

As shown in Figure 3, four line array CCDs 2 are fixed on wheel the corresponding light source 7 in 11 belows are fixed on wheel to the top, and drive the accurate screw mandrel 10 that is connected by stepping motor 9, drive line array CCD camera 2 and light source 7 motions simultaneously, and measure relative dimensions with 100 measuring speeds of per second, reach and carry out computing in the computing machine.

Rotating mechanism is: measure the back line array CCD camera 2 that finishes for the first time and in time return the original place, wheel will be taken turns dropping on the support roller 14 by hydraulic actuating cylinder 13 11, by translator cycloidal-pin wheel retarder 15 drive sprockets 4, thereby driving two ends support roller 14 rotates, after making wheel to corresponding half-twist, to take turns holding up once more by locating piece 8 and picking-up oil 13 again, and measure another by line array CCD camera 2 once more and locate physical dimension, repeat a measurement procedure to original height.With about carrying out computing in size and the quantitative data input computing machine, draw that wheel is thick to radius, wheel rim, tread wear, wheel rim are wide, show and output print to form, measure the butt that finishes and play mechanism and drop to once more in the support roller 14.

The location ejecting mechanism is: on frame 20, the other end links to each other with connecting rod 21 by positioning cylinder 6 hinged securement, and the drive block will be taken turns and is positioned in the support roller 14 11; Ejecting mechanism is hingedly fixed on the frame 20 by releasing cylinder 3, and the other end links to each other with connecting rod 22, and connecting rod 22 connects a dead man will take turns 11 releases.

Whole said process is automatically controlled fully, judges whether remanufacturing or scrap of wheel tread according to the relevant data that prints form.

This detecting device can use separately, the software management system of industrial computer also can participate in taking turns right ultrasonic detection of defects, the flaw detection of electromagnetism remanent magnetism, the typing that data such as press-fits of spindle nose bearing, form the monitoring of wheel to the maintenance overall process, it is controlled in order to overhauling to reach wheel, and repair quality is stable, and wheel is to the guaranteed purpose of entrucking safety.

Claims

1, wheel is characterized in that to automatic checkout equipment test macro is made up of one group of line array CCD, and this line array CCD is corresponding with the camera light source; Wheel is to holding up detent mechanism and wheel to rotating mechanism and location and ejecting mechanism, and all links to each other with frame, and all line array CCDs detection data all communicate with computer interface.

2, according to right 1 described the wheel to automatic checkout equipment, it is characterized in that described one group of line array CCD is four, take turns two of each corresponding layouts of two right wheels.

3, according to right 1 described the wheel to automatic checkout equipment, the detecting device structure that it is characterized in that described test macro is four and goes up cloth line array CCD and corresponding light source down, wheel is to two of each corresponding layouts of two wheels, CCD and light source are driven by stepping motor and accurate screw mandrel, and stepping motor and accurate screw mandrel all are fixed on to be measured on the frame.

4, the according to claim 1 wheel to automatic checkout equipment, the detecting device that it is characterized in that described test macro is four and arranges line array CCD and the corresponding light source of going up down, wheel is driven by stepping motor and accurate screw mandrel each two of corresponding layout of two wheels, CCD and light source, and stepping motor and accurate screw mandrel all are fixed on to be measured on the frame.

5, according to claims 1,3 or 4 described wheels automatic checkout equipment, it is characterized in that wheel to picking-up and detent mechanism is: oil cylinder is fixed on the frame, through bearing pin bonded assembly positioning sliding block; The V-type locating piece is fixed on the positioning sliding block, and can move along the axis of guide that is fixed on the crossbeam of location.

6, according to claims 5 described wheels automatic checkout equipment, it is characterized in that described rotating mechanism is: sprocket wheel on the cycloidal planetary gear speed reducer output shaft and the sprocket wheel on the transmission shaft are through chain engages, and the two ends of transmission shaft are provided with support roller.

7, the according to claim 6 wheel automatic checkout equipment is characterized in that release and detent mechanism are: form by releasing cylinder and positioning cylinder, release cylinder and the equal hinged securement of positioning cylinder in frame.